126 lines
3.3 KiB
JavaScript
126 lines
3.3 KiB
JavaScript
import ws from "k6/ws";
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import { sleep, check } from "k6";
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const HOST = __ENV.HOST || "127.0.0.1";
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const PORT = __ENV.PORT || "5173";
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const SCHEME = __ENV.SCHEME || "wss";
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const ROLE = __ENV.ROLE || "client";
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const CLIENT_PREFIX = __ENV.CLIENT_PREFIX || "flood";
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const AGENT_TOKEN = __ENV.AGENT_TOKEN || "";
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const TLS_INSECURE = __ENV.TLS_INSECURE === "1" || __ENV.TLS_INSECURE === "true";
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const HEARTBEAT_MS = Number(__ENV.HEARTBEAT_MS || 15000);
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const INCLUDE_HELLO = __ENV.HELLO !== "0";
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const RECONNECT = __ENV.RECONNECT === "1" || __ENV.RECONNECT === "true";
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const RECONNECT_DELAY_MS = Number(__ENV.RECONNECT_DELAY_MS || 2000);
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const SESSION_SEC = Number(__ENV.SESSION_SEC || 0);
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const SLICE_SEC = Number(__ENV.SLICE_SEC || 60);
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const TARGET_VUS = Number(__ENV.TARGET_VUS || 10000);
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const RAMP_SEC = Number(__ENV.RAMP_SEC || 300);
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const HOLD_SEC = Number(__ENV.HOLD_SEC || 600);
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const RAMPDOWN_SEC = Number(__ENV.RAMPDOWN_SEC || 120);
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export const options = {
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scenarios: {
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ws_flood: {
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executor: "ramping-vus",
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startVUs: 0,
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stages: [
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{ duration: `${RAMP_SEC}s`, target: TARGET_VUS },
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{ duration: `${HOLD_SEC}s`, target: TARGET_VUS },
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{ duration: `${RAMPDOWN_SEC}s`, target: 0 },
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],
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gracefulRampDown: "30s",
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},
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},
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thresholds: {
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ws_connecting: ["p(95)<1500"],
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ws_sessions: ["count>0"],
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checks: ["rate>0.99"],
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},
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insecureSkipTLSVerify: TLS_INSECURE,
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};
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function buildUrl(clientId) {
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return `${SCHEME}://${HOST}:${PORT}/api/clients/${clientId}/stream/ws?role=${ROLE}`;
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}
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function connectAndHold(url, params, clientId, holdMs) {
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let closed = false;
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const res = ws.connect(url, params, (socket) => {
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socket.on("open", () => {
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if (INCLUDE_HELLO) {
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socket.send(
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JSON.stringify({
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type: "hello",
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id: clientId,
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host: "flood",
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os: "test",
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arch: "x64",
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version: "k6",
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user: "k6",
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monitors: 1,
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country: "ZZ",
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}),
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);
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}
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socket.send(JSON.stringify({ type: "ping", ts: Date.now() }));
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socket.setInterval(() => {
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socket.send(JSON.stringify({ type: "ping", ts: Date.now() }));
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}, HEARTBEAT_MS);
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});
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socket.on("message", () => {
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// consume messages to avoid backpressure
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});
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socket.on("error", (e) => {
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console.error(`ws error: ${e.error()}`);
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closed = true;
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});
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socket.on("close", () => {
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closed = true;
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});
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const start = Date.now();
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while (!closed && Date.now() - start < holdMs) {
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sleep(1);
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}
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});
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check(res, {
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"status 101": (r) => r && r.status === 101,
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});
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return res;
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}
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export default function () {
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const clientId = `${CLIENT_PREFIX}-${__VU}-${__ITER}`;
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const url = buildUrl(clientId);
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const params = {};
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if (AGENT_TOKEN) {
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params.headers = { "X-Agent-Token": AGENT_TOKEN };
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}
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const totalSec = SESSION_SEC > 0 ? SESSION_SEC : HOLD_SEC + 60;
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if (!RECONNECT) {
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connectAndHold(url, params, clientId, totalSec * 1000);
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return;
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}
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let remaining = totalSec;
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while (remaining > 0) {
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const slice = Math.min(remaining, SLICE_SEC);
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connectAndHold(url, params, clientId, slice * 1000);
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remaining -= slice;
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if (remaining > 0) {
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sleep(Math.max(RECONNECT_DELAY_MS, 0) / 1000);
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}
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}
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}
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